National Cancer Institute at the National Institutes of Health
Seer Training Modules: Introduction to the Cardiovascular System
Self-guided learning activity where students learn about the structure and function of the human cardiovascular system. There is a short quiz at the end of the lesson to check for understanding.
CK-12 Foundation
Ck 12: Life Science: 11.21 Cardiovascular System
Understand the structure and function human cardiovascular system.
Science Buddies
Science Buddies: A Day in the Life of Your Heart
Heart rates can be determined by the amount of physical activity your body is engaging in. The more physically active you are, the faster your heart beats. You can measure the rate your heart is beating by taking your pulse. This science...